diff --git a/docs/RELEASE.md b/docs/RELEASE.md
index fd615fb..b7174bf 100644
--- a/docs/RELEASE.md
+++ b/docs/RELEASE.md
@@ -1,5 +1,20 @@
 # motorAcs Releases
 
+## __R1-1 (2020-05-12)__
+R1-1 is a release based on the master branch.  
+
+### Changes since R1-0
+
+#### New features
+* None
+
+#### Modifications to existing features
+* Commit [1bd580a](https://github.com/epics-motor/motorAcs/commit/1bd580a87869fb140939978c0b06856917282da9): ``iocsh`` dir moved into ``acsApp`` dir; ``ACS_MCB4B.iocsh`` is now installed at build time 
+
+#### Bug fixes
+* Commit [5ab502c](https://github.com/epics-motor/motorAcs/commit/5ab502c53ac81885e2a511ade95f22d0a0db4f43): Include ``$(MOTOR)/modules/RELEASE.$(EPICS_HOST_ARCH).local`` instead of ``$(MOTOR)/configure/RELEASE``
+* Pull request [#1](https://github.com/epics-motor/motorAcs/pull/1): Eliminated compiler warnings
+
 ## __R1-0 (2019-04-18)__
 R1-0 is a release based on the master branch.